[yt-users] Turbulent cascade

[Rick Wagner]

Hi Libby,

Work like this has already done with Enzo, in the realm of supersonic  
turbulence [1]. I wrote the code to calculate the structure  
functions, and later modified to calculate them in an isolated  
region. YT wasn't around then, so all of it is in a separate code- 
base, derived from the Enzo source.

If you're interested, I'm happy to share it, but I'll need to check  
with Alexei Kritsuk (the lead researcher), first.

Let me know.

--Rick

[1] http://arxiv.org/abs/0704.3851

On Jan 14, 2010, at 2:48 PM, Elizabeth Harper-Clark wrote:

> Dear fellow YT-users,
>
> I would like to analyse turbulence in ENZO by comparing velocity  
> difference at different scales. To do this I would like to  
> calculate the velocity difference between each cell and cells a set  
> distance bracket away, square, sum over all cells, and square root  
> to get a turbulent velocity at that length scale. I would the like  
> to do that for many different length scales to form a graph of  
> turbulent velocity against length scale.
>
> Has anyone ever done anything like this with YT or have a  
> suggestion for the easiest way to go about doing this? (with either  
> SH = 1 or 0)
>
> Many thanks,
>
> Libby
>
> -- 
> Elizabeth Harper-Clark MA MSci
> PhD Candidate, Astrophysics, UofT
>
> www.astro.utoronto.ca/~h-clark
> h-clark at cita.utoronto.ca
> AIM: edphc1
> MSN: edphc1 at hotmail.com
> Skype: eharperclark
> Office phone: 416-978-5759
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